1. Nano-Device Laboratory (NDL), Department of Electrical and Computer Engineering, University of California, Riverside, California 92521, USA
2. Phonon Optimized Engineered Materials (POEM) Center, Materials Science and Engineering Program, University of California, Riverside, California 92521, USA
3. Laboratory for Terascale and Terahertz Electronics (LATTE), Department of Electrical and Computer Engineering, University of California, Riverside, California 92521, USA
4. Campus Duque de Caxias, Universidade Federal do Rio de Janeiro, Duque de Caxias, RJ 25245-390, Brazil
5. Department of Physics and Astronomy, University of California, Riverside, California 92521, USA
6. Spins and Heat in Nanoscale Electronic Systems (SHINES) Center, University of California, Riverside, California 92521, USA